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<h2>1. What is “burn-in”</h2>
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    Burn-in is the process which makes the mechanical system of headset enter the stable state quickly. Generally speaking, the high pitch of a new headset is harsh and the low pitch is lack of descend, because the internal parts are not running in, the vibration system is of low compliance, and the edge of the diaphragm is not activated. Professional burn-in software is to make the headset enter stable state quickly and improve the sound quality to get better audio effects through a combination of audio signal.
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<h2>2. “Burn-in” illustration</h2>
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    The burn-in software developed by Linner designing team can be completed via one-touch operation by the user, which supports breakpoint resume and there is no need to adjust volume mannully or setting time. The Linner burn-in software can complete the whole process.
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<h2>3. FAQ</h2>
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    3.1. The time of once burn-in process
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    Linner suggests that the total burn-in time is 32 hours. Generally speaking, it is impossible to keep a headset working 32 hours continuously. Customers can turn on the burn-in function before going to bed every night and turn off it until the next morning. The whole burn-in process will be finished after a few days.
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    3.2. Volume settings
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    Linner burn-in software sets the mobile phone volume to 50% automatically, so there is no need to adjust volume manually.
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    Notes: The volume output amplitudes are different among different brands of mobile phones. If the phone's 50% volume is too high, customers can turn down the volume manually.
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